Powerbank dock



FIG. 1 is a front perspective view of the powerbank dock;

FIG. 2 is a front view of the powerbank dock;

FIG. 3 is a rear view of the powerbank dock;

FIG. 4 is a right side view of the powerbank dock;

FIG. 5 is a left side view of the powerbank dock;

FIG. 6 is a top view of the powerbank dock; and,

FIG. 7 is a bottom view of the powerbank dock.

The broken lines in the figures depict portions of the article whichform no part of the claimed design.

CLAIM I claim the ornamental design for a powerbank dock, as shown anddescribed.